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Modern living room with large windows and view on a autumnal garden

Cortizo Aluminium Installer – Friendly Support, London

At Sash Specialists, we provide expert services as Cortizo Aluminium Installers London, delivering high-quality aluminium window and door systems designed for strength, slim profiles, and long-term performance. Our approach focuses on accurate fitting, clean finishes, and dependable materials that enhance both modern and traditional properties. From initial preparation to final installation, we ensure every stage is handled with care to achieve a seamless result that supports energy efficiency, durability, and everyday functionality.

Four carefully considered steps to your finished installation

Enquiry

Share your drawings or project brief. We respond within one working day with initial thoughts.

Site survey

A free on-site visit to take measurements, discuss configurations, and understand the context.

Design & quote

Detailed technical drawings, thermal calculations, and a fully itemised fixed-price quotation.

Installation

Our own installation team is never subcontracted. Typical lead time: 8–12 weeks from order.

two windows installation workers installing double-glass pane

Precision aluminium installations with sash specialists

At Sash Specialists, we focus on delivering Cortizo aluminium installer services in London with precision at every stage. We handle each installation with attention to alignment, structural integrity, and finish quality to ensure long-term performance.

 

Our process supports smooth operation, strong weather resistance, and a refined appearance that suits both residential and commercial settings. By combining careful planning with skilled fitting, we create installations that work efficiently while maintaining a clean, modern look

Designed for performance and everyday use

Our Cortizo aluminium installer solutions in London are built around durability, thermal efficiency, and ease of use. At Sash Specialists, we install aluminium systems that support insulation while maintaining slim sightlines and strong frames.

 

Each installation is planned to reduce drafts, improve energy control, and ensure secure operation. We focus on practical performance that fits into daily life, creating windows and doors that open smoothly, close securely, and maintain consistent reliability over time.

Photo showing some modern aluminium patio doors
two white plastic windows

What you can expect from our service

  • Accurate measurements and careful preparation before installation

  • Clean and efficient fitting process with minimal disruption

  • Strong aluminium systems designed for long-term use

  • Attention to detail for neat finishes and proper sealing

  • Reliable timelines with clear communication throughout

 

At Sash Specialists, our Cortizo Aluminium Installers London service is structured to deliver consistency, clarity, and dependable results from start to finish.

A curated selection of the Cortizo systems we install

Cor vision sliding

Cor Vision-SLIDING

  • Sliding

  • Minimal-frame sliding doors with 20mm sightlines — virtually frameless glass walls.

  • 20mm

  • Sightline

  • 3m

  • Max height

  • Windows

Cor 70 Windows

Cor 70-WINDOWS

  • Thermally broken casement windows in any configuration — tilt, turn, fixed, or hinged.

  • 1.0

  • U-value

  • 70mm

  • Depth

  • Lift & Slide

Cor 4700 lift & slide

Cor 4700- LIFT & SLIDE

  • Heavy-duty lift-and-slide doors for the largest openings — up to 400kg per leaf.

  • 400kg

  • Per leaf

  • 3.5m

  • Max height

Cor 80 Industrial

Cor 80 Industrial-Windows

  • Crittall-style steel replica in thermally-broken aluminium. Heritage aesthetic, modern performance.

  • 45mm

  • Sightline

  • 0.9

  • U-value

Testimonials

I recently used Sash Specialist for a windows and doors project and I’m extremely pleased with the results. As someone who runs a construction company and has worked with numerous window suppliers over the years, I can confidently say these guys stand out. They are highly professional, reliable, and very reasonable on pricing. The quality of materials is excellent, and the finish of the installation was spot on. Communication throughout the job was clear and efficient. I’ll definitely be using Sash Specialist again and would highly recommend them to anyone looking for quality workmanship and professional service.

Bilal Syed

Speak With our expert Installers 

Call now to discuss your Cortizo aluminium installer needs with clear, direct guidance.

020 3807 3107

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